Dear Alexandre Belloni, > Hi, > > I'm having some issues with the i2c-mxs driver in 3.9. Marek already > pointed me to the patches from Lucas and that greatly improved the > situation. > > For the context, my board has three nau7802 adcs, connected to a gpio > i2c-muxer, connected to i2c1. > > Here is what I observe: > > On 3.9: > > # time cat /sys/bus/iio/devices/iio:device1/in_voltage0_raw > 2620 > real 0m 7.08s > user 0m 0.00s > sys 0m 0.02s > # time cat /sys/bus/iio/devices/iio:device1/in_voltage1_raw > 2623 > real 0m 6.07s > user 0m 0.01s > sys 0m 0.01s > # Looks like there's a fixes 7-second delay. Like a timeout maybe? Best regards, Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
